this derivation will be built:
  /nix/store/w7bwyl7bwxckl3rm5xgr0d5zj7ajx736-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/w7bwyl7bwxckl3rm5xgr0d5zj7ajx736-bcachefs-module-7.0.0-31-generic-64k.drv'...